D'n'D testing

campcaster/src/modules/widgets/src/TestWindow.cxx

@@ -101,6 +101,10 @@ TestWindow :: TestWindow (void)                                     throw ()
                            modelColumns.textColumn);
     fillTreeModel();
 
+    glade->get_widget("label1", label);
+    label->set_label(*getResourceUstring("dropHereText"));
+    setupDndCallbacks();
+
     glade->connect_clicked("okButton1", sigc::mem_fun(*this,
                                     &TestWindow::onOkButtonClicked));
 }
@@ -165,6 +169,40 @@ TestWindow :: fillTreeModel (void)                                  throw ()
     Gtk::TreeModel::Row     row = *treeModel->append();
     row[modelColumns.pixbufColumn] = pixbuf;
     row[modelColumns.textColumn] = text;
+
+    row = *treeModel->append();
+    row[modelColumns.pixbufColumn] = pixbuf;
+    row[modelColumns.textColumn] = "1";
+
+    row = *treeModel->append();
+    row[modelColumns.pixbufColumn] = pixbuf;
+    row[modelColumns.textColumn] = "2";
+
+    row = *treeModel->append();
+    row[modelColumns.pixbufColumn] = pixbuf;
+    row[modelColumns.textColumn] = "3";
+
+    row = *treeModel->append();
+    row[modelColumns.pixbufColumn] = pixbuf;
+    row[modelColumns.textColumn] = "4";
+}
+
+
+/*------------------------------------------------------------------------------
+ *  Set up the D'n'D callbacks.
+ *----------------------------------------------------------------------------*/
+void
+TestWindow :: setupDndCallbacks (void)                              throw ()
+{
+    std::list<Gtk::TargetEntry>     targets;
+    targets.push_back(Gtk::TargetEntry("STRING"));
+    
+    treeView->drag_source_set(targets);
+    treeView->signal_drag_data_get().connect(sigc::mem_fun(*this,
+                                    &TestWindow::onTreeViewDragDataGet));
+    label->drag_dest_set(targets);
+    label->signal_drag_data_received().connect(sigc::mem_fun(*this,
+                                    &TestWindow::onLabelDragDataReceived));
 }
 
 
@@ -211,3 +249,50 @@ TestWindow :: run (void)                                            throw ()
 }
 
 
+/*------------------------------------------------------------------------------
+ *  The callback for the start of the drag.
+ *----------------------------------------------------------------------------*/
+void
+TestWindow :: onTreeViewDragDataGet(
+            const Glib::RefPtr<Gdk::DragContext> &      context,
+            Gtk::SelectionData &                        selectionData,
+            guint                                       info,
+            guint                                       time)
+                                                                    throw ()
+{
+    Glib::RefPtr<Gtk::TreeView::Selection>  selection
+                                            = treeView->get_selection();
+    Gtk::TreeModel::Row     row = *selection->get_selected();
+    Glib::ustring           dropString = row[modelColumns.textColumn];
+
+    selectionData.set(selectionData.get_target(),
+                      8 /* 8 bits format*/,
+                      (const guchar *) dropString.c_str(),
+                      dropString.bytes());
+}
+
+
+/*------------------------------------------------------------------------------
+ *  The callback for the end of the drag.
+ *----------------------------------------------------------------------------*/
+void
+TestWindow :: onLabelDragDataReceived(
+            const Glib::RefPtr<Gdk::DragContext> &      context,
+            int                                         x,
+            int                                         y,
+            const Gtk::SelectionData &                  selectionData,
+            guint                                       info,
+            guint                                       time)
+                                                                    throw ()
+{
+    if (selectionData.get_length() >= 0 && selectionData.get_format() == 8) {
+        Glib::ustring   data = selectionData.get_data_as_string();
+        label->set_label(data);
+        
+    } else {
+        label->set_label(*getResourceUstring("dropHereText"));
+    }
+
+    context->drag_finish(false, false, time);
+}
+

campcaster/src/modules/widgets/src/TestWindow.h

@@ -86,6 +86,12 @@ class TestWindow : public LocalizedObject
         void
         fillTreeModel (void)                                        throw ();
 
+        /**
+         *  Set up the D'n'D callbacks.
+         */
+        void
+        setupDndCallbacks (void)                                    throw ();
+
 
     protected:
 
@@ -104,6 +110,11 @@ class TestWindow : public LocalizedObject
          */
         ZebraTreeView *                 treeView;
 
+        /**
+         *  The drop target label.
+         */
+        Gtk::Label *                    label;
+
         /**
          *  The OK button.
          */
@@ -165,6 +176,30 @@ class TestWindow : public LocalizedObject
         virtual bool
         onDeleteEvent (GdkEventAny *     event)                     throw ();
 
+        /**
+         *  The callback for the start of the drag.
+         */
+        virtual void
+        onTreeViewDragDataGet(
+            const Glib::RefPtr<Gdk::DragContext> &      context,
+            Gtk::SelectionData &                        selectionData,
+            guint                                       info,
+            guint                                       time)
+                                                                    throw ();
+
+        /**
+         *  The callback for the end of the drag.
+         */
+        virtual void
+        onLabelDragDataReceived(
+            const Glib::RefPtr<Gdk::DragContext> &      context,
+            int                                         x,
+            int                                         y,
+            const Gtk::SelectionData &                  selectionData,
+            guint                                       info,
+            guint                                       time)
+                                                                    throw ();
+
 
     public:
 

campcaster/src/modules/widgets/var/glade/TestWindow.glade

@@ -1,10 +1,10 @@
 <?xml version="1.0" encoding="UTF-8" standalone="no"?>
 <!DOCTYPE glade-interface SYSTEM "glade-2.0.dtd">
-<!--Generated with glade3 3.2.0 on Wed Aug  8 11:34:54 2007 by fgerlits@fgerlits-laptop-->
+<!--Generated with glade3 3.2.0 on Thu Aug 16 15:39:58 2007 by fgerlits@fgerlits-laptop-->
 <glade-interface>
   <widget class="GtkWindow" id="mainWindow1">
     <property name="width_request">300</property>
-    <property name="height_request">200</property>
+    <property name="height_request">300</property>
     <property name="events">GDK_POINTER_MOTION_MASK | GDK_POINTER_MOTION_HINT_MASK | GDK_BUTTON_PRESS_MASK | GDK_BUTTON_RELEASE_MASK</property>
     <child>
       <widget class="GtkVBox" id="vbox1">
@@ -35,11 +35,25 @@
             <property name="can_focus">True</property>
             <property name="events">GDK_POINTER_MOTION_MASK | GDK_POINTER_MOTION_HINT_MASK | GDK_BUTTON_PRESS_MASK | GDK_BUTTON_RELEASE_MASK</property>
             <property name="headers_clickable">True</property>
+            <property name="reorderable">True</property>
+            <property name="rules_hint">True</property>
           </widget>
           <packing>
             <property name="position">1</property>
           </packing>
         </child>
+        <child>
+          <widget class="GtkLabel" id="label1">
+            <property name="visible">True</property>
+            <property name="events">GDK_POINTER_MOTION_MASK | GDK_POINTER_MOTION_HINT_MASK | GDK_BUTTON_PRESS_MASK | GDK_BUTTON_RELEASE_MASK</property>
+            <property name="label" translatable="yes">drag target</property>
+          </widget>
+          <packing>
+            <property name="expand">False</property>
+            <property name="fill">False</property>
+            <property name="position">2</property>
+          </packing>
+        </child>
         <child>
           <widget class="GtkHButtonBox" id="hbuttonbox1">
             <property name="visible">True</property>
@@ -60,7 +74,7 @@
           <packing>
             <property name="expand">False</property>
             <property name="fill">False</property>
-            <property name="position">2</property>
+            <property name="position">3</property>
           </packing>
         </child>
       </widget>

campcaster/src/modules/widgets/var/hu.txt

@@ -12,5 +12,7 @@ hu:table
     textOne:string              { "Egy - megérett a meggy." }
     textTwo:string              { "Kettő - csipkebokor vessző." }
     textThree:string            { "Három - te leszel a párom. " }
+
+    dropHereText:string         { "Ide lehet húzni dolgokat." }
 }
 

campcaster/src/modules/widgets/var/root.txt

@@ -12,5 +12,7 @@ root:table
     textOne:string              { "When I was One, I had just begun." }
     textTwo:string              { "When I was Two, I was nearly new." }
     textThree:string            { "When I was Three, I was hardly me." }
+
+    dropHereText:string         { "You can drop things here." }
 }